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Structure Chemical Name CAS MF
Brivaracetam Impurity 29 Brivaracetam Impurity 29
L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester 1501982-84-8 C10H18O5
Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester 543699-60-1 C24H18N2O3
1,2-Bis(2-methoxyphenoxy)ethan 1,2-Bis(2-methoxyphenoxy)ethan 553-45-7 C16H18O4
Dispiro[11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11,2'-oxirane-3',4''-piperidine]-1''-carboxylic acid, 8-chloro-5,6-dihydro-, ethyl ester, 1-oxide Dispiro[11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11,2'-oxirane-3',4''-piperidine]-1''-carboxylic acid, 8-chloro-5,6-dihydro-, ethyl ester, 1-oxide 1432057-93-6 C22H23ClN2O4
Oseltamivir Impurity 109 Oseltamivir Impurity 109
Oseltamivir Impurity 81 Oseltamivir Impurity 81
Oseltamivir Impurity 71 Oseltamivir Impurity 71
(-)-Menthylbenzoat (-)-Menthylbenzoat 6284-35-1 C17H24O2
1-Hydrazino-3-(methylthio)propan-2-ol 1-Hydrazino-3-(methylthio)propan-2-ol 14359-97-8 C4H12N2OS
Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)- Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)- 293302-44-0 C10H13ClO3
N,N-bis((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)pyridine-3-sulfonamide N,N-bis((5-(2-fluorophenyl)-1H-pyrrol-3-yl)methyl)pyridine-3-sulfonamide 2514957-29-8 C27H22F2N4O2S
2,4(1H,3H)-Pyrimidinedione, 1-β-L-ribofuranosyl-, 4-oxime (9CI) 2,4(1H,3H)-Pyrimidinedione, 1-β-L-ribofuranosyl-, 4-oxime (9CI) 402725-23-9 C9H13N3O6
1H-Indole-2-sulfonic acid, 6-hydroxy-1-methyl- 1H-Indole-2-sulfonic acid, 6-hydroxy-1-methyl- 2271443-87-7 C9H9NO4S
methyl 4-hydroxy-2-oxopyrrolidine-1-acetate methyl 4-hydroxy-2-oxopyrrolidine-1-acetate 85614-52-4 C7H11NO4
Sitagliptin EP Impurity 5 Sitagliptin EP Impurity 5
Simvastatin Impurity 6 Simvastatin Impurity 6
Pemetrexed Impurity 42 Pemetrexed Impurity 42
2-(6-Aminopurin-9-yl)ethanol 2-(6-Aminopurin-9-yl)ethanol 707-99-3 C7H9N5O
9-Azabicyclo[3.3.1]Nonane-9-Acetic Acid, 3-(Ethoxycarbonyl)-7-Oxo-, Ethyl Ester 9-Azabicyclo[3.3.1]Nonane-9-Acetic Acid, 3-(Ethoxycarbonyl)-7-Oxo-, Ethyl Ester 115956-03-1 C15H23NO5
Cefathiamidine Impurity F Cefathiamidine Impurity F
1-(Bromophenylmethyl)-4-chlorobenzene 1-(Bromophenylmethyl)-4-chlorobenzene 948-54-9 C13H10BrCl
Flomoxef oxidation impurities Flomoxef oxidation impurities
Toltrazuril Impurity 1 Toltrazuril Impurity 1
Cetrorelix Impurity 21 Cetrorelix Impurity 21
Brivaracetam Impurity 43 Brivaracetam Impurity 43
Canagliflozin Impurity 25 Complete Set Canagliflozin Impurity 25 Complete Set
Peramivir Intermediate Impurity 37 Peramivir Intermediate Impurity 37
Peramivir Diastereomer Impurity 1 Peramivir Diastereomer Impurity 1
Vinpocetine impurity 18 drops Vinpocetine impurity 18 drops
Canagliflozin Impurities 999 Canagliflozin Impurities 999
1,4,8,11-tetraazacyclotetradecane sodium chelation 1,4,8,11-tetraazacyclotetradecane sodium chelation
4-Methoxy-2,3,5-trimethylpyride-N-oxide 4-Methoxy-2,3,5-trimethylpyride-N-oxide 86604-80-0 C9H13NO2
1-BOC-4-(5-NITRO-2-PYRIDYL)PIPERAZINE 1-BOC-4-(5-NITRO-2-PYRIDYL)PIPERAZINE 193902-78-2 C14H20N4O4
Relugolix Impurity 25 Relugolix Impurity 25
Lumateperone Impurity 5 Lumateperone Impurity 5
Sugammadex Sodium Impurity ORG139131-1 Sugammadex Sodium Impurity ORG139131-1
2-[4-(Azidomethyl)phenyl]benzoic acid 2-[4-(Azidomethyl)phenyl]benzoic acid
2-[(2-AZIDOETHOXY)METHYL]-4-(2-CHLOROPHENYL)-3-ETHOXYCARBONYL-5-METHOXYCARBONYL)-6-METHYL-1,4-DIHYDROPYRIDINE 2-[(2-AZIDOETHOXY)METHYL]-4-(2-CHLOROPHENYL)-3-ETHOXYCARBONYL-5-METHOXYCARBONYL)-6-METHYL-1,4-DIHYDROPYRIDINE 88150-46-3 C20H23ClN4O5
((6aR,9R,10aR)-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinolin-9-yl)methanol acetic acid salt ((6aR,9R,10aR)-7-methyl-4,6,6a,7,8,9,10,10a-octahydroindolo[4,3-fg]quinolin-9-yl)methanol acetic acid salt
Brivaracetam Impurity 56 Brivaracetam Impurity 56
Levofloxacin Impurity 23 Levofloxacin Impurity 23 2206825-95-6 C19H21ClFN3O4
Nitrendipine impurity 1 Nitrendipine impurity 1 1242511-98-3 C18H18N2O5
methyl 7-bromo-4-hydroxyisoquinoline-3-carboxylate methyl 7-bromo-4-hydroxyisoquinoline-3-carboxylate 1572439-66-7 C11H8BrNO3
Dapoxetine impurity Dapoxetine impurity 2242008-36-0 C28H26O3
Pregabalin Impurity 11 Pregabalin Impurity 11 177432-20-1 C7H11NO3
Pregabalin Impurity 6 Pregabalin Impurity 6 2102350-92-3 C9H15NO3
Sunitinib Impurity 2 Sunitinib Impurity 2
(2S,3R,4R,5S,6R)-2-(3-(4-ethoxybenzyl)phenyl)-6-(hydroxyl methyl)tetrahydro-2H-pyran-3,4,5-triol (2S,3R,4R,5S,6R)-2-(3-(4-ethoxybenzyl)phenyl)-6-(hydroxyl methyl)tetrahydro-2H-pyran-3,4,5-triol 2452300-89-7 C21H26O6
(R)-Zanubrutinib (R)-Zanubrutinib 1691249-44-1 C27H29N5O3
LUMAT-005 LUMAT-005 313369-16-3 C16H19N3O3
Fimasartan Impurity F Fimasartan Impurity F
Amlodipine Impurity 23 (E-Isomer) Amlodipine Impurity 23 (E-Isomer) C26H31ClN2O8S
Erlotinib Impurity 37 Erlotinib Impurity 37
Bis{2-[benzyl(methyl)amino]ethyl} 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate dihydrochloride Bis{2-[benzyl(methyl)amino]ethyl} 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate dihydrochloride 71784-27-5 C35H41ClN4O6
Riluzole 5-Trifluoromethoxy Isomer Riluzole 5-Trifluoromethoxy Isomer 752969-85-0 C8H5F3N2OS
Pazufloxacin Impurity 7 Pazufloxacin Impurity 7 171567-48-9 C15H15FN2O3
Empagliflozin Impurity 42 Empagliflozin Impurity 42
2-amino-2-(4-nonylphenethyl)propane-1,3-diol 2-amino-2-(4-nonylphenethyl)propane-1,3-diol 746594-44-5 C20H35NO2
Zopiclone Impurity 17 Zopiclone Impurity 17
Pregabalin Impurity D Pregabalin Impurity D 53439-96-6 C11H14O3
Cephalosporin Impurity 3 HCl Cephalosporin Impurity 3 HCl 2429-86-9 C14H17N3O6S
((2R,3S,4R,5R,6S)-6-(3-((5-(4-fluorophenyl)thiophen-2-yl) methyl)-4-methylphenyl)-3,4,5-trihydroxytetrahydro- 2H-pyran-2-yl)methyl acetate ((2R,3S,4R,5R,6S)-6-(3-((5-(4-fluorophenyl)thiophen-2-yl) methyl)-4-methylphenyl)-3,4,5-trihydroxytetrahydro- 2H-pyran-2-yl)methyl acetate 2146135-87-5 C26H27FO6S
Cefazolin Impurity 1 Cefazolin Impurity 1
Tofacitinib Impurity 77 Tofacitinib Impurity 77 1640971-51-2 C16H20N6O2
Tofacitinib Impurity 84 Tofacitinib Impurity 84
De(carboxymethoxy) Cetirizine Acetic Acid Dihydrochloride De(carboxymethoxy) Cetirizine Acetic Acid Dihydrochloride 1000690-91-4 C19H22Cl2N2O2
7-Despropyl 7-Methyl Vardenafil 7-Despropyl 7-Methyl Vardenafil 2169247-39-4 C21H28N6O4S
Bendamustine Impurity 36 Bendamustine Impurity 36
Bosutinib Impurity 7 Bosutinib Impurity 7 219786-51-3 C10H12BrNO4
Cefazolin Impurity 13 Cefazolin Impurity 13
Cefoxitin Impurity 4 Cefoxitin Impurity 4
Cilnidipine Impurity 3 Cilnidipine Impurity 3 123853-41-8 C24H22N2O6
Erlotinib Impurity 50 Erlotinib Impurity 50
Pitavastatin Impurity 26 Pitavastatin Impurity 26
Plerixafor Impurity 2 Plerixafor Impurity 2
Pregabalin Impurity 48 Pregabalin Impurity 48 1239856-83-7 C11H23NO2
Rivaroxaban Impurity 76 Rivaroxaban Impurity 76
Rocuronium bromide Impurity 36 Rocuronium bromide Impurity 36
Sildenafil Impurity 14 Sildenafil Impurity 14 2146091-79-2 C24H32N6OS2
Telmisartan Impurity 6 Telmisartan Impurity 6 1083158-65-9 C19H22N4O
AZD9291(Osimertinib) Impurity 5 AZD9291(Osimertinib) Impurity 5
Celecoxib Impurity 15 Celecoxib Impurity 15 C17H14F3N3O2S
Etoposide Impurity 2 Etoposide Impurity 2
Fludarabine EP impurity J Fludarabine EP impurity J
Ropivacaine Impurity 12 Ropivacaine Impurity 12
Solifenacin impurity 17 Solifenacin impurity 17 1029430-94-1 C19H17N3O
Sugammadex sodium Org205485-1 Impurity Sugammadex sodium Org205485-1 Impurity
Sugammadex sodium Org246653-1 Impurity Sugammadex sodium Org246653-1 Impurity
Tadalafil impurity R Tadalafil impurity R
N-((4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)phenyl) sulfonyl)acetamide N-((4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)phenyl) sulfonyl)acetamide 198471-47-5 C19H16F3N3O3S
Butyphthalide impurity 29 Butyphthalide impurity 29
Butyphthalide impurity 38 Butyphthalide impurity 38 1841089-56-2 C24H30O5
Canagliflozin Impurity 39 Canagliflozin Impurity 39
Cefaclor double bond displacement impurity 9 Cefaclor double bond displacement impurity 9
Diquafosol Impurity 7 Diquafosol Impurity 7
Febuxostat Impurity 75 Febuxostat Impurity 75
Febuxostat Impurity 90 Febuxostat Impurity 90 2646683-37-4
Febuxostat Impurity 95 Febuxostat Impurity 95
Ibrutinib Impurity 17 Ibrutinib Impurity 17 2134109-10-5 C16H18N6O
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